| Middleburg to Olivares | 4,265.80 mi (6,865.14 km) |
| Middleburg to Olivenza | 4,190.49 mi (6,743.94 km) |
| Middleburg to Olot | 4,593.81 mi (7,393.03 km) |
| Middleburg to Onate | 4,338.60 mi (6,982.31 km) |
| Middleburg to Onda | 4,510.68 mi (7,259.24 km) |
| Middleburg to Onteniente | 4,519.90 mi (7,274.07 km) |
| Middleburg to Orihuela | 4,519.91 mi (7,274.10 km) |
| Middleburg to Osuna | 4,324.58 mi (6,959.74 km) |
| Middleburg to Ourense | 4,084.94 mi (6,574.07 km) |
| Middleburg to Oviedo | 4,166.31 mi (6,705.03 km) |
| Middleburg to Paiporta | 4,515.32 mi (7,266.70 km) |
| Middleburg to Pajara | 4,027.53 mi (6,481.68 km) |
| Middleburg to Palafolls | 4,618.68 mi (7,433.05 km) |
| Middleburg to Palafrugell | 4,632.60 mi (7,455.44 km) |
| Middleburg to Palamos | 4,632.68 mi (7,455.58 km) |
